Finding the Fourth Proportional to 409,228.84, 564,764.16 and 248,090.68
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Solution
The fourth proportional to 409,228.84, 564,764.16 and 248,090.68 is: 342,382.33
Step by Step Solution
- Step 1: Write the proportion equation
409,228.84 : 564,764.16 = 248,090.68 : x - Step 2: Convert to fraction form
409,228.84/564,764.16 = 248,090.68/x - Step 3: Cross multiply
409,228.84x = 564,764.16 × 248,090.68 - Step 4: Simplify right side
409,228.84x = 140,112,724,494.03 - Step 5: Solve for x
x = 140,112,724,494.03/409,228.84 - Step 6: Final answer
x = 342,382.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.